NCT03318926

Completed

Increased Tea Consumption is Associated With a Decreased Ris...

National Cheng-Kung University Hospital Source

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Other study identifiers

Sponsor study identifier

B-ER-106-066

Study Type

observational

Actual enrollment (reported)

13,842

Locations

0 countries

Sites

N/A

Timeline

Study Start

June 2001

Actual (reported)

Primary Completion

August 2009

Actual (reported)

Study Completion

August 2009

Actual (reported)

Brief Summary

The objective of the this study was to examine the amount and duration of tea consumption in relation to the risk of renal stone disease.

Registry Overview

Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.

Recruitment status: completed
Actual enrollment (reported): 13,842 participants
Study completion date: August 2009
Actual (reported)
Listed locations: 0 countries · 0 sites

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.

Study Start
June 2001
Actual (reported)
Primary Completion
August 2009
Actual (reported)
Study Completion
August 2009
Actual (reported)
First Submitted
October 18, 2017
Actual (reported)
First Posted
October 24, 2017
Actual (reported)

Last Updated: October 25, 2017
Status Verified: October 2017
Last Update Submitted: October 23, 2017

Conditions

Renal Stone

Keywords

tea, cup-year, renal stone disease

Outcome Measures

Primary Outcomes (1)

Renal stone diseases
The diagnosis of renal stones was established on the results of abdominal sonography
health check-ups from June 2001 to August 2009

Eligibility Criteria

Age18 Years+

Sexall

Age GroupsAdult (18-64), Older Adult (65+)

Sampling MethodNon-Probability Sample

Study Population

examinees who were ≥ 18 years old and underwent health check-ups with abdominal sonography at the health examination center of National Cheng Kung University Hospital

You may qualify if:

≥ 18 years old

You may not qualify if:

Sponsors & Collaborators

National Cheng-Kung University Hospital
Otherlead

MeSH Terms

Conditions

Nephrolithiasis

Condition Hierarchy (Ancestors)

Kidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesUrolithiasisMale Urogenital Diseases

Enrollment

13,842 participants (actual enrollment reported by the registry).

Study Design

Study Type: observational
Observational Model: COHORT
Time Perspective: RETROSPECTIVE
Sponsor Type: OTHER
Responsible Party: SPONSOR

Study Record Dates

First Submitted

October 18, 2017

First Posted

October 24, 2017

Study Start

June 2001

Actual (reported)

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NCT05725122

Stone Clearance in Patients With Upper Ureteric Stones Using Extracorporeal Shock Wave Lithotripsy Compared With Extracorporeal Shock Wave Lithotripsy Combined With Tamsulosin Therapy

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individuals with a history of hyperuricemia or gout at baseline, findings of abdominal ultrasound showing transplant kidney, only one kidney, or gouty nephropathy, or missing data

Contact the study team to confirm eligibility.

Primary Completion

August 2009

Actual (reported)

Study Completion

August 2009

Actual (reported)

Last Updated

October 25, 2017

Record last verified: 2017-10

Source record

Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.

Source: ClinicalTrials.gov.

JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.

Registry identifier: NCT03318926
Data provider: ClinicalTrials.gov
Source updated: 2017-10-25
Normalization version: ctgov-legacy-1

Open registry record

Source retrieved: 2026-10-25 22:30:40 UTC

Brief Summary

Registry Overview

Trial Relationships

Related Scientific Literature

Study Timeline

Study Start

Primary Completion

Study Completion

First Submitted

First Posted

Conditions

Keywords

Outcome Measures

Primary Outcomes (1)

Eligibility Criteria

You may qualify if:

You may not qualify if:

Sponsors & Collaborators

MeSH Terms

Conditions

Condition Hierarchy (Ancestors)

Enrollment

Study Design

Study Record Dates

Source record